xref: /illumos-gate/usr/src/man/man3proc/pr_door_info.3proc (revision 8459c777fc1aaabb2f7dad05de1313aa169417cd)
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12.\" Copyright 2015 Joyent, Inc.
13.\"
14.Dd May 11, 2016
15.Dt PR_DOOR_INFO 3PROC
16.Os
17.Sh NAME
18.Nm pr_door_info
19.Nd inject door_info library call into victim process
20.Sh SYNOPSIS
21.Lb libproc
22.In libproc.h
23.Ft int
24.Fo pr_door_info
25.Fa "struct ps_prochandle *P"
26.Fa "int did"
27.Fa "struct door_info *info"
28.Fc
29.Sh DESCRIPTION
30The
31.Fn pr_door_info
32function injects the
33.Xr door_info 3C
34library call into the target process
35.Fa P
36by means of the agent LWP.
37If the process handle
38.Fa P
39is
40.Dv NULL
41then this is equivalent to calling
42.Xr door_info 3C
43on the currently running process.
44.Pp
45The arguments
46.Fa did
47and
48.Fa info
49have the same meaning as in
50.Xr door_info 3C .
51See
52.Xr door_info 3C
53for the full description and purpose of the
54.Sy door_info
55library call and its arguments.
56.Pp
57The
58.Fn pr_door_info
59function only works on active processes.
60Process handles that correspond to core files, zombie processes, or ELF objects
61do not support library call injection.
62.Sh RETURN VALUES
63Upon successful completion, the
64.Fn pr_door_info
65function's return value is that described in
66.Xr door_info 3C .
67Otherwise,
68.Sy -1
69is returned and
70.Sy errno
71is set to
72.Er ENOSYS
73to indicate that the library call could not be injected.
74.Sh ERRORS
75For the full list of errors see the
76.Sy ERRORS
77section in
78.Xr door_info 3C .
79.Pp
80The
81.Fn pr_door_info
82function will fail if:
83.Bl -tag -width Er
84.It Er ENOSYS
85An error occurred while trying to invoke the agent LWP and inject a
86library call in the process handle
87.Fa P
88or the process handle
89.Fa P
90does not support library call injection.
91.El
92.Sh INTERFACE STABILITY
93.Sy Uncommitted
94.Sh MT-LEVEL
95See
96.Sy LOCKING
97in
98.Xr libproc 3LIB .
99.Sh SEE ALSO
100.Xr door_info 3C ,
101.Xr libproc 3LIB ,
102.Xr proc 4
103